Inventor · disambiguated record
Masahiko Watanabe
Also filed as: FUNAYAMA TOMOO · WATANABE MASAHIKO
93 granted patents·26 pending applications·914 citations·filing 1985–2022
99Inventor score
Top patents by PatentIndex Score
119 records- 0196US7159545B2Valve timing control apparatus for internal combustion engine and control method thereofHITACHI LTD·Filed 2005·Granted Jan 9, 2007·26 cites·21 claims
- 0293US7520260B2Multistage fuel-injection internal combustion engineHITACHI LTD·Filed 2006·Granted Apr 21, 2009·25 cites·20 claims
- 0393US6502537B2Valve timing control device of internal combustion engineUNISIA JECS CORP·Filed 2002·Granted Jan 7, 2003·45 cites·25 claims
- 0492US8297158B2Combined processing lathe and its tool postWATANABE MASAHIKO·Filed 2007·Granted Oct 30, 2012·24 cites·23 claims
- 0592US5608364ALayered stripline filter including inductive coupling adjustment stripNGK INSULATORS LTD·Filed 1994·Granted Mar 4, 1997·55 cites·2 claims
- 0691US6937520B2Nonvolatile semiconductor memory deviceFiled 2004·Granted Aug 30, 2005·63 cites·30 claims
- 0790US4772996ALoad current detecting device for pulse width modulation inverterHITACHI LTD·Filed 1987·Granted Sep 20, 1988·82 cites·16 claims
- 0889US8727526B2Inkjet printing apparatusYAMAMOTO KOSUKE·Filed 2011·Granted May 20, 2014·6 cites·10 claims
- 0986US7086359B2Rotational phase adjusterHITACHI LTD·Filed 2005·Granted Aug 8, 2006·10 cites·17 claims
- 1085US6954380B2Programming method of nonvolatile semiconductor memory deviceSHARP KK·Filed 2004·Granted Oct 11, 2005·37 cites·16 claims
- 1184US6805081B2Valve timing control device for internal combustion engineHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Oct 19, 2004·26 cites·18 claims
- 1282US9726068B2Cooling device for internal combustion engine and control method for cooling deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Aug 8, 2017·5 cites·14 claims
- 1382US7481191B2Variable valve timing control apparatus of internal combustion engineHITACHI LTD·Filed 2007·Granted Jan 27, 2009·7 cites·11 claims
- 1482US7478614B2Variably operated valve system for compression ignition engineHITACHI LTD·Filed 2006·Granted Jan 20, 2009·8 cites·19 claims
- 1581US7473769B2Insect desiccation resistance genes and uses thereofNAT INST OF AGROBIO SCIENCES·Filed 2005·Granted Jan 6, 2009·4 cites·6 claims
- 1681US6962774B2Method for dry-preserving multicellular organism tissue at ordinary temperaturesNAT INST OF AGROBIO SCIENCES·Filed 2003·Granted Nov 8, 2005·9 cites·15 claims
- 1780US8403532B2LED module and LED light source apparatusYAMASHITA ATSUSHI·Filed 2010·Granted Mar 26, 2013·7 cites·10 claims
- 1880US7939647B2Insect desiccation resistance genes and uses thereofNAT INST OF AGROBIO SCIENCES·Filed 2008·Granted May 10, 2011·3 cites·8 claims
- 1979US10007037B2Infrared-ray reflective filmNITTO DENKO CORP·Filed 2014·Granted Jun 26, 2018·2 cites·15 claims
- 2079US9816429B2Cooling device for internal combustion engine and control method for cooling deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Nov 14, 2017·4 cites·16 claims
- 2179US8061310B2Valve timing control apparatus for internal combustion engineWATANABE MASAHIKO·Filed 2009·Granted Nov 22, 2011·6 cites·21 claims
- 2279US6391222B1NiMnZn based ferriteTDK CORP·Filed 2000·Granted May 21, 2002·12 cites·21 claims
- 2378US7441524B2Valve timing control apparatus for internal combustion engine and control method thereofHITACHI LTD·Filed 2005·Granted Oct 28, 2008·6 cites·23 claims
- 2477US7301827B2Semiconductor memory deviceSHARP KK·Filed 2006·Granted Nov 27, 2007·6 cites·7 claims
- 2577US7088626B2Bias voltage applying circuit and semiconductor memory deviceSHARP KK·Filed 2005·Granted Aug 8, 2006·14 cites·28 claims
- 2676US8815211B2Radioactive metal-labeled anti-cadherin antibodyHINO AKIHIRO·Filed 2011·Granted Aug 26, 2014·2 cites·24 claims
- 2775US8148945B2Device provided with power supply circuitWATANABE MASAHIKO·Filed 2009·Granted Apr 3, 2012·7 cites·7 claims
- 2875US6510826B2Valve timing control device of internal combustion engineUNISIA JECS CORP·Filed 2002·Granted Jan 28, 2003·14 cites·13 claims
- 2974US7465535B2Dehydration procedures for induction of cryptobiosis in insect larvaeNAT INST OF AGROBIO SCIENCES·Filed 2005·Granted Dec 16, 2008·1 cites·10 claims
- 3074US5223277AApparatus for cutting an enveloped bodyRHEON AUTOMATIC MACHINERY CO·Filed 1992·Granted Jun 29, 1993·29 cites·8 claims
- 3173US8422339B2Low friction lubrication assemblyMARTIN JEAN MICHEL·Filed 2007·Granted Apr 16, 2013·3 cites·3 claims
- 3273US6832585B2Valve timing controller of internal combustion engineUNISIA JECS CORP·Filed 2001·Granted Dec 21, 2004·9 cites·14 claims
- 3372US12121605B2Dyeing composition for keratin fibers comprising a direct dye and an organic alkalizing agent, method for dyeing; and kit-of-parts thereofKAO CORP·Filed 2021·Granted Oct 22, 2024·0 cites·18 claims
- 3471US4683200AMonoclonal antibody to human cancer antigen and method for producing sameHIROHASHI SETSUO·Filed 1985·Granted Jul 28, 1987·37 cites·3 claims
- 3570US7827948B2Variable valve timing control apparatus of internal combustion engineHITACHI LTD·Filed 2008·Granted Nov 9, 2010·4 cites·24 claims
- 3670US6394052B2Variable valve control apparatus for an internal combustion engineUNISIA JECS CORP·Filed 2001·Granted May 28, 2002·13 cites·22 claims
- 3769US8344096B2Phosphorus-containing polycarbonate polyol, method for production thereof, and phosphorus-containing polycarbonate polyurethaneUBE INDUSTRIES·Filed 2008·Granted Jan 1, 2013·2 cites·11 claims
- 3869US7385022B2Polythiocarbonate polythiolUBE INDUSTRIES·Filed 2007·Granted Jun 10, 2008·4 cites·9 claims
- 3969US6311656B1Valve timing control apparatus for internal combustion engineUNISIA JECS CORP·Filed 2000·Granted Nov 6, 2001·11 cites·10 claims
- 4069US4712052ADigital servo-control systemHITACHI LTD·Filed 1985·Granted Dec 8, 1987·26 cites·3 claims
- 4167US7753018B2Valve timing control device for internal combustion engineHITACHI LTD·Filed 2008·Granted Jul 13, 2010·2 cites·11 claims
- 4267US7713465B2Method of producing MnZn-base ferriteTDK CORP·Filed 2008·Granted May 11, 2010·1 cites·20 claims
- 4366US8245678B2Variable valve timing control apparatus of internal combustion engineWATANABE MASAHIKO·Filed 2009·Granted Aug 21, 2012·3 cites·22 claims
- 4466US7383803B2Valve timing control device for internal combustion engineHITACHI LTD·Filed 2007·Granted Jun 10, 2008·2 cites·11 claims
- 4565US6732688B2Valve timing control system for internal combustion engineUNISIA JECS CORP·Filed 2002·Granted May 11, 2004·10 cites·11 claims
- 4664US5670028AProcess for preparing high purity hydrogen peroxide aqueous solutionUBE INDUSTRIES·Filed 1995·Granted Sep 23, 1997·24 cites·9 claims
- 4762US12485076B2Liquid hair dye compositionKAO CORP·Filed 2019·Granted Dec 2, 2025·0 cites·12 claims
- 4862US7228830B2Valve timing control device for internal combustion engineHITACHI LTD·Filed 2004·Granted Jun 12, 2007·5 cites·20 claims
- 4961US6940381B2Mn-Zn based ferrite, magnetic core for transformer and transformerTDK CORP·Filed 2003·Granted Sep 6, 2005·5 cites·20 claims
- 5061US6636777B1Tool-positioning method, tool-positioning device and power feeder for tool positioningCITIZEN WATCH CO LTD·Filed 2000·Granted Oct 21, 2003·12 cites·30 claims
Showing the top 50 of 119 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →